For years Dr. Bonnie Eaker Weil, PhD, author of Make Up Don't Break Up has taught that infidelity is a bio-chemical craving for connection and that some men are genetically wired for adultery and other high risk and thrill seeking behavior.

Children with ADHD who carry a specific type of dopamine receptor gene respond better to the drug methylphenidate (MPH) than those without the genotype, according to new research from Cincinnati Children's Hospital Medical Center.